.center {
	width:300px;
	height:200px; 
	background-color:#ffffdd; 
	position:absolute; 
	left:50%; 
	top:50%; 
	margin-left:-150px; 
	margin-top:-100px;
	
}

table.gridtable {
	margin: 8px;
	font-family: verdana,arial,sans-serif;
	font-size:11px;
	color:#333333;
	
	border-color: #666666;
	border-collapse: collapse;
}

table.gridtable th {
     
     padding: 8px;
     border-style: solid;
     border-color: #666666;
     background-color: #dedede;
 }
 table.gridtable td {
     
     padding: 8px;
     border-style: solid;
     border-color: #666666;
     background-color: #ffffff;
 }